US2028946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generator
Assignee: Freeport Minerals Corp
•
Filing: 1929-11-02
•
Granted: 1936-01-28
•
Expires: 1949-11-02
Abstract
No abstract record available.
Inventors
- 👤 Niconoff Dimitry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:33
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C10J3/487; C10G; C10G9/00; C10G9/34; C10G9/36; C10G9/38; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0936; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-01-27 | 1939-07-29 | 1940-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-27 | 1943-07-29 | 1944-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-27 | 1947-07-29 | 1948-01-28 | $7700.00 | Window Closed / Lapsed |